3660286208220 has 120 divisors (see below), whose sum is σ = 11500203917664. Its totient is φ = 974567424384.

The previous prime is 3660286208197. The next prime is 3660286208233. The reversal of 3660286208220 is 228026820663.

3660286208220 is a `hidden beast` number, since 36 + 602 + 8 + 6 + 2 + 0 + 8 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 697947 + ... + 2794226.

Almost surely, 2^{3660286208220} is an apocalyptic number.

3660286208220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3660286208220 is an abundant number, since it is smaller than the sum of its proper divisors (7839917709444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3660286208220 is a wasteful number, since it uses less digits than its factorization.

3660286208220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492841 (or 3492830 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 3660286208220 in words is "three trillion, six hundred sixty billion, two hundred eighty-six million, two hundred eight thousand, two hundred twenty".